Right. Spec terminology tripped me up. In ECMA-262, all properties that are neither accessors nor internal properties are called data properties.
Hence, I should have written: non-method data properties (instead of non-method properties). On Nov 7, 2012, at 18:26 , David Bruant <bruan...@gmail.com> wrote: > Le 07/11/2012 18:17, Axel Rauschmayer a écrit : >> In theory, one can use prototype properties to provide default values for >> instance properties. In practice, that is not often useful, because the >> constructor normally creates all instance properties right away, assigning >> default values where necessary. And, with default parameter values in ES6 >> that is even easier to do. >> >> As mentioned by Andrea in another thread, another argument against >> non-method prototype properties is that they prevent you from freezing the >> prototype (because that would make assigning to instance properties >> impossible). > inherited properties can be accessors. That's how WebIDL works. > I have no opinion as to whether inherited data properties are a good or bad > idea, though. > > David -- Dr. Axel Rauschmayer a...@rauschma.de home: rauschma.de twitter: twitter.com/rauschma blog: 2ality.com
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